Add CC2538 tmp sensor driver
This commit is contained in:
George Oikonomou
George Oikonomou
parent
40716ab515
commit
f474514ee5
78
cpu/cc2538/dev/temp-sensor.c
Normal file
78
cpu/cc2538/dev/temp-sensor.c
Normal file
|
|
@ -0,0 +1,78 @@
|
|||
/*
|
||||
* Copyright (c) 2015, Zolertia - http://www.zolertia.com
|
||||
* Copyright (c) 2015, University of Bristol - http://www.bristol.ac.uk
|
||||
* All rights reserved.
|
||||
*
|
||||
* Redistribution and use in source and binary forms, with or without
|
||||
* modification, are permitted provided that the following conditions
|
||||
* are met:
|
||||
* 1. Redistributions of source code must retain the above copyright
|
||||
* notice, this list of conditions and the following disclaimer.
|
||||
* 2. Redistributions in binary form must reproduce the above copyright
|
||||
* notice, this list of conditions and the following disclaimer in the
|
||||
* documentation and/or other materials provided with the distribution.
|
||||
*
|
||||
* 3. Neither the name of the copyright holder nor the names of its
|
||||
* contributors may be used to endorse or promote products derived
|
||||
* from this software without specific prior written permission.
|
||||
*
|
||||
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
|
||||
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
|
||||
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
|
||||
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
|
||||
* COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
|
||||
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
|
||||
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
|
||||
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
||||
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
|
||||
* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
|
||||
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
|
||||
* OF THE POSSIBILITY OF SUCH DAMAGE.
|
||||
*/
|
||||
/*---------------------------------------------------------------------------*/
|
||||
/**
|
||||
* \addtogroup cc2538-temp-sensor
|
||||
* @{
|
||||
*
|
||||
* \file
|
||||
* Driver for the CC2538 On-Chip temperature sensor
|
||||
*/
|
||||
/*---------------------------------------------------------------------------*/
|
||||
#include "contiki.h"
|
||||
#include "lib/sensors.h"
|
||||
#include "dev/temp-sensor.h"
|
||||
#include "dev/adc.h"
|
||||
#include "dev/cc2538-sensors.h"
|
||||
|
||||
#include <stdint.h>
|
||||
/*---------------------------------------------------------------------------*/
|
||||
static int
|
||||
value(int type)
|
||||
{
|
||||
int raw = adc_get(SOC_ADC_ADCCON_CH_TEMP, SOC_ADC_ADCCON_REF_INT,
|
||||
SOC_ADC_ADCCON_DIV_512);
|
||||
|
||||
if(type == CC2538_SENSORS_VALUE_TYPE_RAW) {
|
||||
return raw;
|
||||
} else if(type == CC2538_SENSORS_VALUE_TYPE_CONVERTED) {
|
||||
return 25000 + ((raw >> 4) - 1422) * 10000 / 42;
|
||||
}
|
||||
|
||||
return CC2538_SENSORS_ERROR;
|
||||
}
|
||||
/*---------------------------------------------------------------------------*/
|
||||
static int
|
||||
configure(int type, int value)
|
||||
{
|
||||
return 0;
|
||||
}
|
||||
/*---------------------------------------------------------------------------*/
|
||||
static int
|
||||
status(int type)
|
||||
{
|
||||
return 1;
|
||||
}
|
||||
/*---------------------------------------------------------------------------*/
|
||||
SENSORS_SENSOR(temp_sensor, TEMP_SENSOR, value, configure, status);
|
||||
/*---------------------------------------------------------------------------*/
|
||||
/** @} */
|
||||
71
cpu/cc2538/dev/temp-sensor.h
Normal file
71
cpu/cc2538/dev/temp-sensor.h
Normal file
|
|
@ -0,0 +1,71 @@
|
|||
/*
|
||||
* Copyright (c) 2015, Zolertia - http://www.zolertia.com
|
||||
* Copyright (c) 2015, University of Bristol - http://www.bristol.ac.uk
|
||||
* All rights reserved.
|
||||
*
|
||||
* Redistribution and use in source and binary forms, with or without
|
||||
* modification, are permitted provided that the following conditions
|
||||
* are met:
|
||||
* 1. Redistributions of source code must retain the above copyright
|
||||
* notice, this list of conditions and the following disclaimer.
|
||||
* 2. Redistributions in binary form must reproduce the above copyright
|
||||
* notice, this list of conditions and the following disclaimer in the
|
||||
* documentation and/or other materials provided with the distribution.
|
||||
*
|
||||
* 3. Neither the name of the copyright holder nor the names of its
|
||||
* contributors may be used to endorse or promote products derived
|
||||
* from this software without specific prior written permission.
|
||||
*
|
||||
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
|
||||
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
|
||||
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
|
||||
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
|
||||
* COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
|
||||
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
|
||||
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
|
||||
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
||||
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
|
||||
* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
|
||||
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
|
||||
* OF THE POSSIBILITY OF SUCH DAMAGE.
|
||||
*/
|
||||
/*---------------------------------------------------------------------------*/
|
||||
/**
|
||||
* \addtogroup cc2538-sensors
|
||||
* @{
|
||||
*
|
||||
* \defgroup cc2538-temp-sensor CC2538 on-chip temperature Sensor
|
||||
*
|
||||
* Driver for the CC2538 on-chip temperature sensor
|
||||
*
|
||||
* This driver can return the raw as well as the converted value of the sensor
|
||||
* reading. This is controlled by the type argument of the sensor driver's
|
||||
* value() function. The choices for the type argument are:
|
||||
* - CC2538_SENSORS_VALUE_TYPE_RAW (value() returns the raw reading)
|
||||
* - CC2538_SENSORS_VALUE_TYPE_CONVERTED (value() returns degrees mC)
|
||||
* @{
|
||||
*
|
||||
* \file
|
||||
* Header file for the CC2538 on-chip temperature Sensor Driver
|
||||
*/
|
||||
/*---------------------------------------------------------------------------*/
|
||||
#ifndef TEMP_SENSOR_H_
|
||||
#define TEMP_SENSOR_H_
|
||||
/*---------------------------------------------------------------------------*/
|
||||
#include "lib/sensors.h"
|
||||
/*---------------------------------------------------------------------------*/
|
||||
/**
|
||||
* \name temperature sensor
|
||||
* @{
|
||||
*/
|
||||
#define TEMP_SENSOR "On-Chip Temperature"
|
||||
/** @} */
|
||||
/*---------------------------------------------------------------------------*/
|
||||
extern const struct sensors_sensor temp_sensor;
|
||||
/*---------------------------------------------------------------------------*/
|
||||
#endif /* TEMP_SENSOR_H_ */
|
||||
/*---------------------------------------------------------------------------*/
|
||||
/**
|
||||
* @}
|
||||
* @}
|
||||
*/
|
||||
Loading…
Reference in a new issue